Gary E. Christensen - Publications

Affiliations: 
Electrical and Computer Engineering University of Iowa, Iowa City, IA 
Area:
Electronics and Electrical Engineering

146 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Baschnagel AM, Flakus MJ, Wallat EM, Wuschner AE, Chappell RJ, Bayliss RA, Kimple RJ, Christensen GE, Reinhardt JM, Bassetti MF, Bayouth JE. A Phase 2 Randomized Clinical Trial Evaluating 4-Dimensional Computed Tomography Ventilation-Based Functional Lung Avoidance Radiation Therapy for Non-Small Cell Lung Cancer. International Journal of Radiation Oncology, Biology, Physics. PMID 38387810 DOI: 10.1016/j.ijrobp.2024.02.019  0.33
2023 Flakus MJ, Wuschner AE, Wallat EM, Graham M, Shao W, Shanmuganayagam D, Christensen GE, Reinhardt JM, Bayouth JE. Validation of CT-based ventilation and perfusion biomarkers with histopathology confirms radiation-induced pulmonary changes in a porcine model. Scientific Reports. 13: 9377. PMID 37296169 DOI: 10.1038/s41598-023-36292-0  0.364
2023 Flakus MJ, Wuschner AE, Wallat EM, Shao W, Meudt J, Shanmuganayagam D, Christensen GE, Reinhardt JM, Bayouth JE. Robust quantification of CT-ventilation biomarker techniques and repeatability in a porcine model. Medical Physics. PMID 36999913 DOI: 10.1002/mp.16400  0.392
2023 Gerard SE, Chaudhary MF, Herrmann J, Christensen GE, Estépar RSJ, Reinhardt JM, Hoffman EA. Direct Estimation of Regional Lung Volume Change from Paired and Single CT Images using Residual Regression Neural Network. Medical Physics. PMID 36929883 DOI: 10.1002/mp.16365  0.447
2023 Flakus MJ, Wuschner AE, Wallat EM, Shao W, Shanmuganayagam D, Christensen GE, Reinhardt JM, Li K, Bayouth JE. Quantifying robustness of CT-ventilation biomarkers to image noise. Frontiers in Physiology. 14: 1040028. PMID 36866176 DOI: 10.3389/fphys.2023.1040028  0.314
2023 Wallat EM, Wuschner AE, Flakus MJ, Gerard SE, Christensen GE, Reinhardt JM, Bayouth JE. Predicting pulmonary ventilation damage after radiation therapy for nonsmall cell lung cancer using a ResNet generative adversarial network. Medical Physics. PMID 36779695 DOI: 10.1002/mp.16311  0.315
2022 Pan Y, Wang D, Chaudhary MFA, Shao W, Gerard SE, Durumeric OC, Bhatt SP, Barr RG, Hoffman EA, Reinhardt JM, Christensen GE. Robust Measures of Image-Registration-Derived Lung Biomechanics in SPIROMICS. Journal of Imaging. 8. PMID 36422058 DOI: 10.3390/jimaging8110309  0.475
2022 Wuschner AE, Flakus MJ, Wallat EM, Reinhardt JM, Shanmuganayagam D, Christensen GE, Gerard SE, Bayouth JE. CT-derived vessel segmentation for analysis of post-radiation therapy changes in vasculature and perfusion. Frontiers in Physiology. 13: 1008526. PMID 36324304 DOI: 10.3389/fphys.2022.1008526  0.326
2022 Wang D, Pan Y, Durumeric OC, Reinhardt JM, Hoffman EA, Schroeder JD, Christensen GE. PLOSL: Population learning followed by one shot learning pulmonary image registration using tissue volume preserving and vesselness constraints. Medical Image Analysis. 79: 102434. PMID 35430476 DOI: 10.1016/j.media.2022.102434  0.365
2021 Wallat EM, Wuschner AE, Flakus MJ, Christensen GE, Reinhardt JM, Shanmuganayagam D, Bayouth JE. Radiation-induced airway changes and downstream ventilation decline in a swine model. Biomedical Physics & Engineering Express. 7. PMID 34670195 DOI: 10.1088/2057-1976/ac3197  0.352
2021 Herrmann J, Gerard SE, Shao W, Xin Y, Cereda M, Reinhardt JM, Christensen GE, Hoffman EA, Kaczka DW. Effects of Lung Injury on Regional Aeration and Expiratory Time Constants: Insights From Four-Dimensional Computed Tomography Image Registration. Frontiers in Physiology. 12: 707119. PMID 34393824 DOI: 10.3389/fphys.2021.707119  0.381
2021 Shao W, Pan Y, Durumeric OC, Reinhardt JM, Bayouth JE, Rusu M, Christensen GE. Geodesic density regression for correcting 4DCT pulmonary respiratory motion artifacts. Medical Image Analysis. 72: 102140. PMID 34214957 DOI: 10.1016/j.media.2021.102140  0.429
2021 Wuschner AE, Wallat EM, Flakus MJ, Shanmuganayagam D, Meudt J, Christensen GE, Reinhardt JM, Miller JR, Lawless MJ, Baschnagel AM, Bayouth JE. Radiation-induced Hounsfield unit change correlates with dynamic CT perfusion better than 4DCT-based ventilation measures in a novel-swine model. Scientific Reports. 11: 13156. PMID 34162987 DOI: 10.1038/s41598-021-92609-x  0.367
2020 Wallat EM, Flakus MJ, Wuschner AE, Shao W, Christensen GE, Reinhardt JM, Baschnagel AM, Bayouth JE. Modeling the impact of out-of-phase ventilation on normal lung tissue response to radiation dose. Medical Physics. PMID 32187683 DOI: 10.1002/Mp.14146  0.386
2020 Herrmann J, Gerard SE, Shao W, Hawley ML, Reinhardt JM, Christensen GE, Hoffman EA, Kaczka DW. Quantifying Regional Lung Deformation Using Four-Dimensional Computed Tomography: A Comparison of Conventional and Oscillatory Ventilation. Frontiers in Physiology. 11: 14. PMID 32153417 DOI: 10.3389/Fphys.2020.00014  0.488
2019 Shao W, Patton TJ, Gerard SE, Pan Y, Reinhardt JM, Durumeric OC, Bayouth JE, Christensen GE. N-Phase Local Expansion Ratio for Characterizing Out-of-Phase Lung Ventilation. Ieee Transactions On Medical Imaging. PMID 31899418 DOI: 10.1109/Tmi.2019.2963083  0.444
2018 Kipritidis J, Tahir BA, Cazoulat G, Hofman MS, Siva S, Callahan J, Hardcastle N, Yamamoto T, Christensen GE, Reinhardt JM, Kadoya N, Patton TJ, Gerard SE, Duarte I, Archibald-Heeren B, et al. The VAMPIRE Challenge: A Multi-Institutional Validation Study of CT Ventilation Imaging. Medical Physics. PMID 30575051 DOI: 10.1002/Mp.13346  0.534
2018 Guy CL, Weiss E, Jan N, Christensen GE, Hugo GD. Technical Note: A method for quality assurance of landmark sets for use in evaluation of deformable image registration accuracy of lung parenchyma. Medical Physics. PMID 30537225 DOI: 10.1002/Mp.13336  0.5
2018 Riblett MJ, Christensen GE, Weiss E, Hugo GD. Data-driven respiratory motion compensation for four-dimensional cone-beam computed tomography (4D-CBCT) using groupwise deformable registration. Medical Physics. PMID 30118177 DOI: 10.1002/Mp.13133  0.405
2018 Gerard SE, Patton TJ, Christensen GE, Bayouth JE, Reinhardt JM. FissureNet: A Deep Learning Approach For Pulmonary Fissure Detection in CT Images. Ieee Transactions On Medical Imaging. PMID 30106711 DOI: 10.1109/Tmi.2018.2858202  0.429
2018 Patton TJ, Gerard SE, Shao W, Christensen GE, Reinhardt JM, Bayouth JE. Quantifying ventilation change due to radiation therapy using 4DCT Jacobian calculations. Medical Physics. PMID 30047588 DOI: 10.1002/Mp.13105  0.377
2018 Guy CL, Weiss E, Christensen GE, Jan N, Hugo GD. CALIPER: A Deformable Image Registration Algorithm for Large Geometric Changes during Radiotherapy for Locally-Advanced Non-Small Cell Lung Cancer. Medical Physics. PMID 29603277 DOI: 10.1002/Mp.12891  0.506
2016 Zhang GG, Latifi K, Du K, Reinhardt JM, Christensen GE, Ding K, Feygelman V, Moros EG. Evaluation of the ΔV 4D CT ventilation calculation method using in vivo xenon CT ventilation data and comparison to other methods. Journal of Applied Clinical Medical Physics. 17: 550-560. PMID 28297411 DOI: 10.1120/jacmp.v17i2.5985  0.326
2016 Patton T, Du K, Christensen G, Reinhardt J, Bayouth J. SU-F-J-219: Predicting Ventilation Change Due to Radiation Therapy: Dependency On Pre-RT Ventilation and Effort Correction. Medical Physics. 43: 3459. PMID 28048868 DOI: 10.1118/1.4956127  0.418
2016 Riblett MJ, Weiss E, Christensen GE, Hugo GD. TH-EF-BRA-03: Assessment of Data-Driven Respiratory Motion-Compensation Methods for 4D-CBCT Image Registration and Reconstruction Using Clinical Datasets. Medical Physics. 43: 3897. PMID 28048834 DOI: 10.1118/1.4958260  0.388
2016 Dogan N, Weiss E, Sleeman W, Christensen G, Williamson J, Ford J. SU-F-J-84: Comparison of Quantitative Deformable Image Registration Evaluation Tools: Application to Prostate IGART. Medical Physics. 43: 3425-3426. PMID 28048724 DOI: 10.1118/1.4955992  0.407
2016 Oh S, Weiss E, Christensen G, Hugo G, Williamson J. TU-AB-202-08: Generating Organ Surfaces to Overcome Random Contouring Errors and Slice Thickness Variations On Multimodality Images. Medical Physics. 43: 3738. PMID 28048633 DOI: 10.1118/1.4957430  0.333
2016 Christensen G. WE-H-202-04: Advanced Medical Image Registration Techniques. Medical Physics. 43: 3845. PMID 28048500 DOI: 10.1118/1.4958005  0.45
2016 Guy C, Weiss E, Jan N, Reshko L, Christensen G, Hugo G. SU-F-J-67: Dosimetric Changes During Radiotherapy in Lung Cancer Patients with Atelectasis. Medical Physics. 43: 3421. PMID 28048098 DOI: 10.1118/1.4955975  0.345
2016 Du K, Patton T, Reinhardt J, Christensen G, Bayouth J. WE-AB-202-06: Correlating Lung CT HU with Transformation-Based and Xe-CT Derived Ventilation. Medical Physics. 43: 3795. PMID 28047897 DOI: 10.1118/1.4957747  0.505
2016 Patton T, Du K, Christensen G, Reinhardt J, Bayouth J. WE-AB-202-03: Quantifying Ventilation Change Due to Radiation Therapy Using 4DCT Jacobian Calculations. Medical Physics. 43: 3794-3795. PMID 28047165 DOI: 10.1118/1.4957744  0.46
2016 Guy CL, Weiss E, Jan N, Reshko LB, Christensen GE, Hugo GD. Effect of atelectasis changes on tissue mass and dose during lung radiotherapy. Medical Physics. 43: 6109. PMID 27806593 DOI: 10.1118/1.4965807  0.407
2016 Zhang GG, Latifi K, Du K, Reinhardt JM, Christensen GE, Ding K, Feygelman V, Moros EG. Evaluation of the ΔV 4D CT ventilation calculation method using in vivo xenon CT ventilation data and comparison to other methods. Journal of Applied Clinical Medical Physics / American College of Medical Physics. 17: 5985. PMID 27074479 DOI: 10.1120/Jacmp.V17I2.5985  0.436
2015 Vile D, Christensen G, Ford J, Mukhopadhyay N, Williamson J. TH-EF-BRD-09: Dosimetric Analysis of Patient-Specific Planning Target Volumes Using Population Statistical Modeling of Interfractional Prostate Motion. Medical Physics. 42: 3741. PMID 26129594 DOI: 10.1118/1.4926296  0.357
2015 Guy C, Weiss E, Jan N, Christensen G, Hugo G. TU-AB-303-04: Characterizing CT-Derived Mass Change of Non-Tumor Pathology During Lung Radiotherapy. Medical Physics. 42: 3590. PMID 26128819 DOI: 10.1118/1.4925521  0.35
2015 Du K, Patton T, Reinhardt J, Christensen G, Zhao B, Gerard S, Pan Y, Bayouth J. SU-E-J-90: Lobar-Level Lung Ventilation Analysis Using 4DCT and Deformable Image Registration. Medical Physics. 42: 3284. PMID 26127482 DOI: 10.1118/1.4924177  0.546
2015 Fatyga M, Dogan N, Weiss E, Sleeman WC, Zhang B, Lehman WJ, Williamson JF, Wijesooriya K, Christensen GE. A Voxel-by-Voxel Comparison of Deformable Vector Fields Obtained by Three Deformable Image Registration Algorithms Applied to 4DCT Lung Studies. Frontiers in Oncology. 5: 17. PMID 25699238 DOI: 10.3389/Fonc.2015.00017  0.489
2015 Johnson CP, Follmer RL, Oguz I, Warren LA, Christensen GE, Fiedorowicz JG, Magnotta VA, Wemmie JA. Brain abnormalities in bipolar disorder detected by quantitative T1ρ mapping. Molecular Psychiatry. 20: 201-6. PMID 25560762 DOI: 10.1038/Mp.2014.157  0.318
2015 Riblett MJ, Christensen GE, Hugo GD. TH-CD-303-07: Evaluation of Four Data-Driven Respiratory Motion-Compensation Methods for Four-Dimensional Cone-Beam CT Registration and Reconstruction Medical Physics. 42: 3730-3730. DOI: 10.1118/1.4926242  0.422
2015 Patton T, Du K, Christensen G, Reinhardt J, Bayouth J. TU-G-BRA-03: Predicting Radiation Therapy Induced Ventilation Changes Using 4DCT Jacobian Calculations Medical Physics. 42: 3630-3630. DOI: 10.1118/1.4925753  0.402
2014 Patton T, Du K, Christensen G, Reinhardt J, Bayouth J. TU-A-12A-01: Consistency of Lung Expansion and Contraction During Respiration: Implications for Quantitative Imaging. Medical Physics. 41: 449-450. PMID 28038249 DOI: 10.1118/1.4889247  0.498
2014 Balik S, Weiss E, Jan N, Zhang L, Roman N, Christensen G, Williamson J, Hugo G. SU-E-J-151: Dosimetric Evaluation of DIR Mapped Contours for Image Guided Adaptive Radiotherapy with 4D Cone-Beam CT. Medical Physics. 41: 191. PMID 28038098 DOI: 10.1118/1.4888204  0.481
2014 Du K, Reinhardt J, Christensen G, Ding K, Zhao B, Bayouth J. MO-A-BRD-05: Evaluation of Composed Lung Ventilation with 4DCT and Image Registration. Medical Physics. 41: 409. PMID 28036431 DOI: 10.1118/1.4889108  0.524
2014 Amelon RE, Cao K, Reinhardt JM, Christensen GE, Raghavan ML. A measure for characterizing sliding on lung boundaries. Annals of Biomedical Engineering. 42: 642-50. PMID 24114112 DOI: 10.1007/S10439-013-0920-5  0.66
2014 Xie Q, Kurtek S, Klassen E, Christensen GE, Srivastava A. Metric-based pairwise and multiple image registration Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 8690: 236-250. DOI: 10.1007/978-3-319-10605-2_16  0.324
2013 Du K, Bayouth JE, Ding K, Christensen GE, Cao K, Reinhardt JM. Reproducibility of intensity-based estimates of lung ventilation. Medical Physics. 40. PMID 28518720 DOI: 10.1118/1.4805106  0.654
2013 Du K, Reinhardt JM, Christensen GE, Ding K, Bayouth JE. Respiratory effort correction strategies to improve the reproducibility of lung expansion measurements. Medical Physics. 40: 123504. PMID 24320544 DOI: 10.1118/1.4829519  0.509
2013 Du K, Bayouth JE, Ding K, Christensen GE, Cao K, Reinhardt JM. Reproducibility of intensity-based estimates of lung ventilation. Medical Physics. 40: 063504. PMID 23718615 DOI: 10.1118/1.4805106  0.697
2013 Balik S, Weiss E, Jan N, Roman N, Sleeman WC, Fatyga M, Christensen GE, Zhang C, Murphy MJ, Lu J, Keall P, Williamson JF, Hugo GD. Evaluation of 4-dimensional computed tomography to 4-dimensional cone-beam computed tomography deformable image registration for lung cancer adaptive radiation therapy. International Journal of Radiation Oncology, Biology, Physics. 86: 372-9. PMID 23462422 DOI: 10.1016/J.Ijrobp.2012.12.023  0.474
2013 Balik S, Weiss E, Jan N, Zhang L, Roman N, Sleeman W, Christensen G, Williamson J, Hugo G. TU-C-141-04: Evaluation of Clinical Acceptability of DIR Mapped Contours for Adaptive Radiotherapy with 4D Cone-Beam CT Medical Physics. 40: 434-434. DOI: 10.1118/1.4815381  0.435
2012 Zhang C, Christensen GE, Kurtek S, Srivastava A, Weiss E, Murphy MJ, Williamson JF. WE-E-213CD-05: A Non-Rigid Image Registration Algorithm That Accommodates Organ Segmentation Error. Medical Physics. 39: 3960. PMID 28519973 DOI: 10.1118/1.4736161  0.329
2012 Du K, Reinhardt J, Christensen G, Ding K, Cao K, Bayouth J. SU-E-J-82: Improvement in Reproducibility of Lung Expansion Measures with Respiratory Effort Correction. Medical Physics. 39: 3671. PMID 28519786 DOI: 10.1118/1.4734917  0.619
2012 Ding K, Cao K, Du K, Chen Q, Ennis D, Christensen G, Reinhardt J, Libby B, Benedict S, Sheng K. SU-E-J-192: Static Breath-Hold MRI Based Measurement of Change in Pulmonary Function Following a Course of Radiation Therapy. Medical Physics. 39: 3697. PMID 28519030 DOI: 10.1118/1.4735033  0.607
2012 Balik S, Hugo G, Weiss E, Jan N, Roman N, Sleeman W, Fatyga M, Christensen G, Murphy M, Lu J, Keall P, Williamson J. MO-F-BRA-02: Evaluation of 4D CT to 4D Cone-Beam CT Deformable Image Registration for Lung Cancer Adaptive Radiation Therapy. Medical Physics. 39: 3875. PMID 28518270 DOI: 10.1118/1.4735821  0.474
2012 Ding K, Deng J, Du K, Cao K, Christensen G, Reinhardt J, Sheng K, Libby B, Benedict S, Lamer J, Chen Q. SU-D-BRB-05: Small Animal Lung Compliance Imaging: Assessment System for Tissue Sensitivity to Radiation Induced Lung Injury. Medical Physics. 39: 3615. PMID 28517399 DOI: 10.1118/1.4734677  0.649
2012 Cao K, Ding K, Reinhardt JM, Christensen GE. Improving Intensity-Based Lung CT Registration Accuracy Utilizing Vascular Information. International Journal of Biomedical Imaging. 2012: 285136. PMID 23251141 DOI: 10.1155/2012/285136  0.673
2012 Cao K, Christensen GE, Ding K, Du K, Raghavan ML, Amelon RE, Baker KM, Hoffman EA, Reinhardt JM. Tracking regional tissue volume and function change in lung using image registration. International Journal of Biomedical Imaging. 2012: 956248. PMID 23118740 DOI: 10.1155/2012/956248  0.683
2012 Li B, Christensen GE, Hoffman EA, McLennan G, Reinhardt JM. Establishing a normative atlas of the human lung: computing the average transformation and atlas construction. Academic Radiology. 19: 1368-81. PMID 22951110 DOI: 10.1016/J.Acra.2012.04.025  0.512
2012 Ding K, Cao K, Fuld MK, Du K, Christensen GE, Hoffman EA, Reinhardt JM. Comparison of image registration based measures of regional lung ventilation from dynamic spiral CT with Xe-CT. Medical Physics. 39: 5084-98. PMID 22894434 DOI: 10.1118/1.4736808  0.679
2012 Du K, Bayouth JE, Cao K, Christensen GE, Ding K, Reinhardt JM. Reproducibility of registration-based measures of lung tissue expansion. Medical Physics. 39: 1595-608. PMID 22380392 DOI: 10.1118/1.3685589  0.709
2012 Ding K, Cao K, Miller W, Christensen G, Reinhardt J, Benedict S, Libby B, Sheng K. Correlation of measures of regional lung ventilation from 4DCT vs. hyperpolarized helium-3 MR Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8317. DOI: 10.1117/12.912793  0.693
2012 Amelon R, Cao K, Reinhardt JM, Christensen GE, Raghavan M. Estimation of lung lobar sliding using image registration Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8317. DOI: 10.1117/12.911614  0.695
2012 Ding K, Cao K, Du K, Chen Q, Ennis D, Christensen G, Reinhardt J, Libby B, Benedict S, Sheng K. Ventilation Imaging for Lung Radiation Therapy Planning: Free Breathing 4DCT Versus Breath-hold MRI International Journal of Radiation Oncology*Biology*Physics. 84: S812. DOI: 10.1016/J.Ijrobp.2012.07.2173  0.658
2012 Bayouth J, Du K, Christensen G, Smith B, Buatti J, Reinhardt J. Establishing a Relationship Between Radiosensitivity of Lung Tissue and Ventilation International Journal of Radiation Oncology*Biology*Physics. 84: S31-S32. DOI: 10.1016/J.Ijrobp.2012.07.086  0.408
2012 Xie Q, Kurtek S, Christensen GE, Ding Z, Klassen E, Srivastava A. A novel framework for metric-based image registration Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 7359: 276-285. DOI: 10.1007/978-3-642-31340-0_29  0.325
2012 Zhang C, Christensen GE, Kurtek S, Srivastava A, Murphy MJ, Weiss E, Bai E, Williamson JF. SUPIR: Surface uncertainty-penalized, non-rigid image registration for pelvic CT imaging Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 7359: 236-245. DOI: 10.1007/978-3-642-31340-0_25  0.314
2011 Amelon R, Cao K, Ding K, Christensen GE, Reinhardt JM, Raghavan ML. Three-dimensional characterization of regional lung deformation. Journal of Biomechanics. 44: 2489-95. PMID 21802086 DOI: 10.1016/J.Jbiomech.2011.06.009  0.688
2011 Murphy K, van Ginneken B, Reinhardt JM, Kabus S, Ding K, Deng X, Cao K, Du K, Christensen GE, Garcia V, Vercauteren T, Ayache N, Commowick O, Malandain G, Glocker B, et al. Evaluation of registration methods on thoracic CT: the EMPIRE10 challenge. Ieee Transactions On Medical Imaging. 30: 1901-20. PMID 21632295 DOI: 10.1109/Tmi.2011.2158349  0.587
2011 Kaczka DW, Cao K, Christensen GE, Bates JH, Simon BA. Analysis of regional mechanics in canine lung injury using forced oscillations and 3D image registration. Annals of Biomedical Engineering. 39: 1112-24. PMID 21132371 DOI: 10.1007/S10439-010-0214-0  0.674
2011 Ding K, Cao K, Miller W, Christensen G, Reinhardt J, Benedict S, Libby B, Sheng K. TH-A-220-10: Ventilation Imaging of the Lung: Comparison of 4DCT with Hyperpolarized Helium-3 MR Medical Physics. 38: 3847-3848. DOI: 10.1118/1.3613488  0.686
2011 Du K, Ding K, Cao K, Reinhardt J, Christensen G, Bayouth J. WE-E-BRC-07: Evaluate Reproducibility of 4DCT Registration-Based Lung Ventilation Measurement with Gamma Comparison Method Medical Physics. 38: 3820-3820. DOI: 10.1118/1.3613385  0.694
2011 Ding K, Du K, Cao K, Reinhardt J, Christensen G, Benedict S, Buatti J, Bayouth J. SU-E-J-48: Measurement of Radiation Induced Pulmonary Function Change from 4DCT Medical Physics. 38: 3452-3453. DOI: 10.1118/1.3611816  0.667
2011 Dogan N, Sleeman W, Fatyga M, Hugo G, Christensen G, Weiss E. SU-E-J-46: Evaluation of Inter-Fraction Deformable Registration of 4DCT Scans: Direct vs. Composed Registration Medical Physics. 38: 3452-3452. DOI: 10.1118/1.3611814  0.526
2011 Ding K, Miller W, Cao K, Christensen G, Reinhardt J, Benedict S, Libby B, Sheng K. Quantification of regional lung ventilation from tagged hyperpolarized helium-3 MRI Proceedings - International Symposium On Biomedical Imaging. 1074-1077. DOI: 10.1109/ISBI.2011.5872587  0.667
2011 Du K, Ding K, Cao K, Bayouth JE, Christensen GE, Reinhardt JM. Registration-based measurement of regional expiration volume ratio using dynamic 4DCT imaging Proceedings - International Symposium On Biomedical Imaging. 424-428. DOI: 10.1109/ISBI.2011.5872437  0.687
2011 Ding K, Du K, Cao K, Christensen GE, Reinhardt JM. Time-varying lung ventilation analysis of 4DCT using image registration Icassp, Ieee International Conference On Acoustics, Speech and Signal Processing - Proceedings. 5772-5775. DOI: 10.1109/ICASSP.2011.5947672  0.667
2011 Dogan N, Sleeman W, Song S, Christensen G. Evaluation of a Non-Rigid Registration Algorithm for Registration of Serial CT Images of Head and Neck Radiotherapy International Journal of Radiation Oncology*Biology*Physics. 81: S828. DOI: 10.1016/J.Ijrobp.2011.06.1462  0.429
2010 Ding K, Bayouth JE, Buatti JM, Christensen GE, Reinhardt JM. 4DCT-based measurement of changes in pulmonary function following a course of radiation therapy. Medical Physics. 37: 1261-72. PMID 20384264 DOI: 10.1118/1.3312210  0.501
2010 Wang Y, Sleeman W, Zhang C, Christensen G, Weiss E, Williamson J. TU-B-204B-05: Quantitative Evaluation and Optimization of an Algorithm for Non-Rigidly Registering Serial CT Images to the Planning CT during Prostate-Cancer Radiation Therapy Medical Physics. 37: 3377-3377. DOI: 10.1118/1.3469194  0.452
2010 Dogan N, Sleeman W, Fatyga M, Lehman W, Christensen G, Wu J, Weiss E, Zhang B, Williamson J. SU-GG-J-47: Verification of a Deformable Image Registration Algorithm for Head and Neck Cancer Therapy Medical Physics. 37: 3155-3156. DOI: 10.1118/1.3468271  0.453
2010 Wei Y, Christensen GE, Song JH, Rudrauf D, Bruss J, Kuhl JG, Grabowski TJ. Evaluation of five non-rigid image registration algorithms using the NIREP framework Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7623. DOI: 10.1117/12.844616  0.445
2010 Christensen GE, Burnette NE, Gao W, Shaker M, Reinhardt JM, Cook-Granroth JE, McLennan G, Hoffman EA. Human airway tree structure query atlas Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7626. DOI: 10.1117/12.844596  0.407
2010 Cao K, Ding K, Christensen GE, Reinhardt JM. Tissue volume and vesselness measure preserving nonrigid registration of lung CT images Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7623. DOI: 10.1117/12.844541  0.689
2010 Amelon R, Cao K, Ding K, Christensen GE, Reinhardt JM, Raghavan M. A novel method of characterizing regional lung deformation Asme 2010 Summer Bioengineering Conference, Sbc 2010. 259-260. DOI: 10.1115/SBC2010-19578  0.325
2010 Dogan N, Sleeman W, Fatyga M, Lehman W, Weiss E, Christensen G, Williamson J. Evaluation of Dosimetric Effects of Use of Deformably-Mapped Contours for Lung IMRT Treatment Planning International Journal of Radiation Oncology*Biology*Physics. 78: S727-S728. DOI: 10.1016/J.Ijrobp.2010.07.1686  0.395
2010 Song JH, Christensen GE, Hawley JA, Wei Y, Kuhl JG. Evaluating image registration using NIREP Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 6204: 140-150. DOI: 10.1007/978-3-642-14366-3_13  0.376
2010 Cao K, Ding K, Christensen GE, Raghavan ML, Amelon RE, Reinhardt JM. Unifying vascular information in intensity-based nonrigid lung CT registration Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 6204: 1-12. DOI: 10.1007/978-3-642-14366-3_1  0.569
2009 Tahmasebi AM, Abolmaesumi P, Geng X, Morosan P, Amunts K, Christensen GE, Johnsrude IS. A new approach for creating customizable cytoarchitectonic probabilistic maps without a template. Medical Image Computing and Computer-Assisted Intervention : Miccai ... International Conference On Medical Image Computing and Computer-Assisted Intervention. 12: 795-802. PMID 20426184 DOI: 10.1007/978-3-642-04271-3_96  0.528
2009 Ding K, Yin Y, Cao K, Christensen GE, Lin CL, Hoffman EA, Reinhardt JM. Evaluation of lobar biomechanics during respiration using image registration. Medical Image Computing and Computer-Assisted Intervention : Miccai ... International Conference On Medical Image Computing and Computer-Assisted Intervention. 12: 739-46. PMID 20426054 DOI: 10.1007/978-3-642-04268-3_91  0.64
2009 Geng X, Ross TJ, Zhan W, Gu H, Chao YP, Lin CP, Christensen GE, Schuff N, Yang Y. Diffusion MRI registration using orientation distribution functions. Information Processing in Medical Imaging : Proceedings of the ... Conference. 21: 626-37. PMID 19694299 DOI: 10.1007/978-3-642-02498-6_52  0.525
2009 Geng X, Christensen GE, Gu H, Ross TJ, Yang Y. Implicit reference-based group-wise image registration and its application to structural and functional MRI. Neuroimage. 47: 1341-51. PMID 19371788 DOI: 10.1016/J.Neuroimage.2009.04.024  0.646
2009 Klein A, Andersson J, Ardekani BA, Ashburner J, Avants B, Chiang MC, Christensen GE, Collins DL, Gee J, Hellier P, Song JH, Jenkinson M, Lepage C, Rueckert D, Thompson P, et al. Evaluation of 14 nonlinear deformation algorithms applied to human brain MRI registration. Neuroimage. 46: 786-802. PMID 19195496 DOI: 10.1016/J.Neuroimage.2008.12.037  0.384
2009 Ryken TC, Owen BD, Christensen GE, Reinhardt JM. Image-based drill templates for cervical pedicle screw placement. Journal of Neurosurgery. Spine. 10: 21-6. PMID 19119928 DOI: 10.3171/2008.9.Spi08229  0.318
2009 Dogan N, Sleeman W, Yan C, Fatyga M, Wu J, Christensen G, Hugo G, Weiss E, Williamson J. MO-FF-A3-03: Quantitative Assessment of Automatic Anatomy Segmentation of 4D CT Images Using a Deformable Image Registration Algorithm Medical Physics. 36: 2711-2712. DOI: 10.1118/1.3182291  0.557
2009 Ding K, Cao K, Christensen GE, Hoffman EA, Reinhardt JM. Registration-based regional lung mechanical analysis: Retrospectively reconstructed dynamic imaging versus static breath-hold image acquisition Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7262. DOI: 10.1117/12.813694  0.711
2009 Amelon R, Ding K, Cao K, Christensen GE, Reinhardt JM, Raghavan M. Comparison of regional lung deformation between dynamic and static CT imagery using inverse consistent registration Proceedings of the Asme Summer Bioengineering Conference 2009, Sbc2009. 1231-1232. DOI: 10.1115/SBC2009-206689  0.341
2008 Li B, Christensen GE, Hoffman EA, McLennan G, Reinhardt JM. Pulmonary CT image registration and warping for tracking tissue deformation during the respiratory cycle through 3D consistent image registration. Medical Physics. 35: 5575-83. PMID 19175115 DOI: 10.1118/1.3005633  0.542
2008 Reinhardt JM, Ding K, Cao K, Christensen GE, Hoffman EA, Bodas SV. Registration-based estimates of local lung tissue expansion compared to xenon CT measures of specific ventilation. Medical Image Analysis. 12: 752-63. PMID 18501665 DOI: 10.1016/J.Media.2008.03.007  0.69
2008 Monroe W, Kim Y, Christensen G, Wu X, Bayouth J, Bhatia S, McGuire S, Siochi R, Waldron T. SU-GG-J-193: Using Small-Deformation Linear-Elastic Registration to Quantifying Ventilation-Competent Lung Imaging From Clinical 4DCT Datasets: Toward Selective Avoidance IMRT for Locally Advanced Non-Small-Cell Lung Cancer Medical Physics. 35: 2724-2724. DOI: 10.1118/1.2961742  0.569
2007 Christensen GE, Song JH, Lu W, El Naqa I, Low DA. Tracking lung tissue motion and expansion/compression with inverse consistent image registration and spirometry. Medical Physics. 34: 2155-63. PMID 17654918 DOI: 10.1118/1.2731029  0.56
2007 Reinhardt JM, Christensen GE, Hoffman EA, Ding K, Cao K. Registration-derived estimates of local lung expansion as surrogates for regional ventilation. Information Processing in Medical Imaging : Proceedings of the ... Conference. 20: 763-74. PMID 17633746  0.634
2006 Christensen GE, Johnson HJ, Vannier MW. Synthesizing average 3D anatomical shapes. Neuroimage. 32: 146-58. PMID 16697223 DOI: 10.1016/J.Neuroimage.2006.03.018  0.592
2006 Lu W, Song J, Christensen G, Parikh P, Zhao T, Hubenschmidt J, Bradley J, Low D. SU-FF-J-57: Evaluating Lung Motion Variations in Repeated 4D CT Studies Using Inverse Consistent Image Registration Medical Physics. 33: 2033-2033. DOI: 10.1118/1.2240835  0.482
2006 Lu W, Song JH, Christensen GE, Parikh PJ, Bradley JD, Low DA. Modeling lung motion using consistent image registration in four-dimensional computed tomography for radiation therapy Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6144. DOI: 10.1117/12.652761  0.394
2006 Kumar D, Geng X, Hoffman EA, Christensen GE. BICIR:Boundary-constrained inverse consistent image registration using WEB-splines Proceedings of the Ieee Computer Society Conference On Computer Vision and Pattern Recognition. 2006. DOI: 10.1109/CVPRW.2006.44  0.573
2006 Christensen GE, Geng X, Kuhl JG, Bruss J, Grabowski TJ, Pirwani IA, Vannier MW, Allen JS, Damasio H. Introduction to the Non-rigid Image Registration Evaluation Project (NIREP) Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 4057: 128-135. DOI: 10.1007/11784012_16  0.541
2005 Geng X, Kumar D, Christensen GE. Transitive inverse-consistent manifold registration. Information Processing in Medical Imaging : Proceedings of the ... Conference. 19: 468-79. PMID 17354718  0.574
2005 Simon BA, Christensen GE, Low DA, Reinhardt JM. Computed tomography studies of lung mechanics. Proceedings of the American Thoracic Society. 2: 517-21, 506-7. PMID 16352757 DOI: 10.1513/pats.200507-076DS  0.421
2005 Lu W, Parikh PJ, El Naqa IM, Nystrom MM, Hubenschmidt JP, Wahab SH, Mutic S, Singh AK, Christensen GE, Bradley JD, Low DA. Quantitation of the reconstruction quality of a four-dimensional computed tomography process for lung cancer patients. Medical Physics. 32: 890-901. PMID 15895571 DOI: 10.1118/1.1870152  0.485
2005 Pan Y, Kumar D, Huffman EA, Christensen GE, McLennan G, Song JH, Ross A, Simon BA, Reinhardt JM. Estimation of regional lung expansion via 3D image registration Progress in Biomedical Optics and Imaging - Proceedings of Spie. 5746: 453-464. DOI: 10.1117/12.596617  0.464
2004 Hoffman EA, Clough AV, Christensen GE, Lin CL, McLennan G, Reinhardt JM, Simon BA, Sonka M, Tawhai MH, van Beek EJ, Wang G. The comprehensive imaging-based analysis of the lung: a forum for team science. Academic Radiology. 11: 1370-80. PMID 15596375 DOI: 10.1016/J.Acra.2004.09.005  0.537
2004 El Naqa IM, Low DA, Christensen G, Parikh PJ, Song JH, Nystrom MM, Lu W, Deasy JO, Hubenschmidt JP, Wahab SH, Mutic S, Singh AK, Bradley JD. Automated 4-D lung computed tomography reconstruction during free breathing for conformal radiation therapy Proceedings of Spie - the International Society For Optical Engineering. 5369: 100-106. DOI: 10.1117/12.536141  0.335
2004 Christensen GE. Inverse consistent registration with object boundary constraints 2004 2nd Ieee International Symposium On Biomedical Imaging: Macro to Nano. 1: 591-594.  0.326
2003 He J, Christensen GE. Large deformation inverse consistent elastic image registration. Information Processing in Medical Imaging : Proceedings of the ... Conference. 18: 438-49. PMID 15344478  0.614
2003 Christensen GE, He J, Dill JA, Rubinstein JT, Vannier MW, Wang G. Automatic measurement of the labyrinth using image registration and a deformable inner ear atlas. Academic Radiology. 10: 988-99. PMID 13678087 DOI: 10.1016/S1076-6332(03)00121-1  0.626
2003 Hellier P, Barillot C, Corouge I, Gibaud B, Le Goualher G, Collins DL, Evans A, Malandain G, Ayache N, Christensen GE, Johnson HJ. Retrospective evaluation of intersubject brain registration. Ieee Transactions On Medical Imaging. 22: 1120-30. PMID 12956267 DOI: 10.1109/Tmi.2003.816961  0.567
2003 Low DA, Nystrom M, Kalinin E, Parikh P, Dempsey JF, Bradley JD, Mutic S, Wahab SH, Islam T, Christensen G, Politte DG, Whiting BR. A method for the reconstruction of four-dimensional synchronized CT scans acquired during free breathing. Medical Physics. 30: 1254-63. PMID 12852551 DOI: 10.1118/1.1576230  0.465
2003 Magnotta VA, Bockholt HJ, Johnson HJ, Christensen GE, Andreasen NC. Subcortical, cerebellar, and magnetic resonance based consistent brain image registration. Neuroimage. 19: 233-45. PMID 12814574 DOI: 10.1016/S1053-8119(03)00100-9  0.619
2003 Li B, Christensen GE, Hoffman EA, McLennan G, Reinhardt JM. Establishing a normative atlas of the human lung: intersubject warping and registration of volumetric CT images. Academic Radiology. 10: 255-65. PMID 12643552 DOI: 10.1016/S1076-6332(03)80099-5  0.577
2003 Christensen GE, Johnson HJ. Invertibility and transitivity analysis for nonrigid image registration Journal of Electronic Imaging. 12: 106-117. DOI: 10.1117/1.1526494  0.601
2003 Kumar D, Geng X, Christensen GE, Vannier MW. Characterizing shape differences between phantom image populations via multivariate statistical analysis of inverse consistent transformations Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2717: 367-376.  0.549
2003 Geng X, Kumar D, Christensen GE, Vannier MW. Inverse consistent image registration of MR brain scans: Handedness in normal adult males Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2717: 71-80.  0.536
2002 Johnson HJ, Christensen GE. Consistent landmark and intensity-based image registration. Ieee Transactions On Medical Imaging. 21: 450-61. PMID 12071616 DOI: 10.1109/TMI.2002.1009381  0.573
2002 He J, Christensen GE, Rubinstein JT, Wang G. Analysis of a new method for consistent large-deformation elastic image registration Proceedings of Spie - the International Society For Optical Engineering. 4684: 945-954. DOI: 10.1117/12.467047  0.367
2002 Li B, Christensen GE, Dill J, Hoffman EA, Reinhardt JM. 3-D inter-subject warping and registration of pulmonary CT images for a human lung model Proceedings of Spie - the International Society For Optical Engineering. 4683: 324-335. DOI: 10.1117/12.463598  0.449
2002 Low D, Bradley J, Dempsey J, Politte D, Islam K, Mutic S, Deasy J, Zakarian C, Christensen G. A method for the four-dimensional measurement of normal and cancerous lung during free breathing International Journal of Radiation Oncology*Biology*Physics. 54: 199-200. DOI: 10.1016/S0360-3016(02)03401-6  0.406
2001 Perlyn CA, Marsh JL, Vannier MW, Kane AA, Koppel P, Clark KW, Christensen GE, Knapp R, Lo LJ, Govier D. The craniofacial anomalies archive at St. Louis Children's Hospital: 20 years of craniofacial imaging experience. Plastic and Reconstructive Surgery. 108: 1862-70. PMID 11743369 DOI: 10.1097/00006534-200112000-00003  0.424
2001 Christensen GE, Carlson B, Chao KSC, Yin P, Grigsby PW, Nguyen K, Dempsey JF, Lerma FA, Bae KT, Vannier MW, Williamson JF. Image-based dose planning of intracavitary brachytherapy: Registration of serial-imaging studies using deformable anatomic templates International Journal of Radiation Oncology Biology Physics. 51: 227-243. PMID 11516873 DOI: 10.1016/S0360-3016(01)01667-4  0.432
2001 Christensen GE, Johnson HJ. Consistent image registration. Ieee Transactions On Medical Imaging. 20: 568-82. PMID 11465464 DOI: 10.1109/42.932742  0.596
2001 Carlson BL, Christensen GE, Johnson HJ, Vannier MW. Evaluating template bias when synthesizing population averages Proceedings of Spie - the International Society For Optical Engineering. 4322: 527-536. DOI: 10.1117/12.431126  0.415
2001 Williamson J, Christensen G, Lerma F, Carlson B, Chao K, Bae T, Nguyen K, Grigsby P, Matthews J, Vannier M. 3D image-based dose planning of intracavitary brachytherapy and teletherapy of gynecological tumors: registration of cumulative dose via deformable anatomic templates International Journal of Radiation Oncology*Biology*Physics. 51: 390. DOI: 10.1016/S0360-3016(01)02543-3  0.341
2001 Christensen GE, He J. Consistent nonlinear elastic image registration Proceedings of the Workshop On Mathematical Methods in Biomedical Image Analysis. 37-43.  0.587
2001 Johnson HJ, Christensen GE. Landmark and intensity-based, consistent thin-plate spline image registration Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2082: 329-343.  0.598
2000 Christensen GE, Yin P, Vannier MW, Chao KSC, Dempsey JF, Williamson JF. Large-deformation image registration using fluid landmarks Proceedings of the Ieee Southwest Symposium On Image Analysis and Interpretation. 2000: 269-273. DOI: 10.1109/IAI.2000.839614  0.335
1999 Christensen GE, Johnson HJ, Darvann T, Hermann N, Marsh JL. Midsagittal surface measurement of the head: An assessment of craniofacial asymmetry Proceedings of Spie - the International Society For Optical Engineering. 3661: 612-619.  0.481
1999 Christensen GE, Johnson HJ, Haller JW, Melloy J, Vannier MW, Marsh JL. Synthesizing average 3D anatomical shapes using deformable templates Proceedings of Spie - the International Society For Optical Engineering. 3661: 574-582.  0.581
1997 Christensen GE, Joshi SC, Miller MI. Volumetric transformation of brain anatomy Ieee Transactions On Medical Imaging. 16: 864-877. PMID 9533586 DOI: 10.1109/42.650882  0.39
1997 Miller M, Banerjee A, Christensen G, Joshi S, Khaneja N, Grenander U, Matejic L. Statistical methods in computational anatomy. Statistical Methods in Medical Research. 6: 267-99. PMID 9339500 DOI: 10.1177/096228029700600305  0.348
1997 Haller JW, Banerjee A, Christensen GE, Gado M, Joshi S, Miller MI, Sheline Y, Vannier MW, Csernansky JG. Three-dimensional hippocampal MR morphometry with high-dimensional transformation of a neuroanatomic atlas. Radiology. 202: 504-10. PMID 9015081 DOI: 10.1148/Radiology.202.2.9015081  0.419
1997 Christensen GE, Williamson JF, Chao KSC, Miller MI, So FB, Vannier MW. Deformable anatomical templates for brachytherapy treatment planning in radiotherapy of cervical cancer Proceedings of Spie - the International Society For Optical Engineering. 3168: 147-154. DOI: 10.1117/12.292779  0.322
1996 Sheline YI, Black KJ, Lin DY, Christensen GE, Gado MH, Brunsden BS, Vannier MW. Stereological MRI volumetry of the frontal lobe. Psychiatry Research. 67: 203-14. PMID 8912959 DOI: 10.1016/0925-4927(96)02831-4  0.415
1996 Haller JW, Christensen GE, Joshi SC, Newcomer JW, Miller MI, Csernansky JG, Vannier MW. Hippocampal MR imaging morphometry by means of general pattern matching. Radiology. 199: 787-91. PMID 8638006 DOI: 10.1148/Radiology.199.3.8638006  0.409
1996 Christensen GE, Rabbitt RD, Miller MI. Deformable templates using large deformation kinematics Ieee Transactions On Image Processing. 5: 1435-1447. DOI: 10.1109/83.536892  0.385
1996 Christensen GE, Joshi SC, Miller MI. Individualizing anatomical atlases of the head Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 1131: 343-348.  0.321
1994 Christensen GE, Rabbitt RD, Miller MI. 3D brain mapping using a deformable neuroanatomy Physics in Medicine and Biology. 39: 609-618. PMID 15551602 DOI: 10.1088/0031-9155/39/3/022  0.381
1993 Miller MI, Christensen GE, Amit Y, Grenander U. Mathematical textbook of deformable neuroanatomies. Proceedings of the National Academy of Sciences of the United States of America. 90: 11944-8. PMID 8265653 DOI: 10.1073/Pnas.90.24.11944  0.315
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